Grundstof (Danish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Grundstof" in Danish language version.

refsWebsite

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234^th place

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3,147^th place

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1,887^th place

1scientificamerican.com

896^th place

574^th place

jlab.org

education.jlab.org

Promethium (61) er kun fundet naturligt udenfor Solsystemet - Jefferson Lab. "Promethium does not occur naturally on earth, although it has been detected in the spectrum of a star in the constellation Andromeda" (engelsk). Hentet 12. oktober 2016.

nature.com

Technetium (43) dannes i røde kæmpestjerner - Nature. "Production of technetium in red giants by γ- ray-induced fission" (engelsk). Hentet 12. oktober 2016.

rsc.org

Neptunium (93) findes naturligt i små mængder i uranmalm - Royal Society of Chemistry. "Trace quantities occur naturally in uranium ores" (engelsk). Hentet 12. oktober 2016.

scientificamerican.com

Scientific America. "Do transuranic elements such as plutonium ever occur naturally?" (engelsk). Hentet 12. oktober 2016.

wikipedia.org

ru.wikipedia.org

russisk artikel om jern (Fe)

zh.wikipedia.org

kinesisk artikel om jern (Fe)